| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 10.11 | 191806090_MIN_DET |
| Hippo Vaughn | CHN | 6.13 | 191806100_CHN_PHI |
| Stan Coveleski | CLE | 4.48 | 191806090_BOS_CLE |
| Eddie Cicotte | CHA | 3.28 | 191806090_OAK_CHA |
| Wilbur Cooper | PIT | 1.79 | 191806100_PIT_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Elmer Myers | OAK | -7.18 | 191806100_OAK_DET |
| Dave Davenport | BAL | -3.44 | 191806080_NYA_BAL |
| Jim Shaw | MIN | -2.76 | 191806100_MIN_BAL |
| Bernie Boland | DET | -2.61 | 191806090_MIN_DET |
| Burleigh Grimes | LAN | -0.71 | 191806100_PIT_LAN |
Based on accumulated WAA for this season up to 1918-06-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.91 | Stan Coveleski | 133.3 | CLE |
| +002+ | 4.82 | Walter Johnson | 126.3 | MIN |
| +003+ | 3.7 | Hippo Vaughn | 105 | CHN |
| +004+ | 3.11 | Dana Fillingim | 53 | ATL |
| +006+ | 2.69 | Bullet Joe Bush | 109.3 | BOS |
| +012+ | 2.13 | Red Ames | 68.3 | SLN |
| +014+ | 2.06 | Scott Perry | 129.7 | OAK |
| +015+ | 2.06 | Frank Shellenback | 56.3 | CHA |
| +016+ | 2.03 | Red Faber | 62.7 | CHA |
| +018+ | 1.85 | Urban Shocker | 64.3 | BAL |
| +025+ | 1.4 | Hank Thormahlen | 83.3 | NYA |
| +029+ | 1.29 | Lefty Tyler | 90.7 | CHN |
| +033+ | 1.25 | Frank Miller | 77 | PIT |
| XXXXX | 1.23 | Bunny Hearn | 91 | ATL |
| XXXXX | 1.2 | Eddie Cicotte | 96.3 | CHA |
| XXXXX | 1.09 | Jeff Tesreau | 71.3 | SFN |
| XXXXX | 1.08 | Wilbur Cooper | 84 | PIT |
| XXXXX | 0.93 | Rube Bressler | 106 | CIN |
| XXXXX | 0.9 | Leon Cadore | 17 | LAN |
| XXXXX | 0.89 | Fred Toney | 67.3 | CIN |
| XXXXX | 0.82 | Bob Harmon | 54.3 | PIT |
| XXXXX | 0.78 | Slim Sallee | 73 | SFN |
| XXXXX | 0.77 | Hooks Dauss | 80 | DET |
| XXXXX | 0.7 | Hod Eller | 74 | CIN |
| XXXXX | 0.62 | Guy Morton | 85.7 | CLE |
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